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Catchment-level estimates of nitrogen and phosphorus agricultural use from commercial fertilizer sales for the conterminous United States, 2012 科技报告
报告编号: 70201177, , 2019
作者:  Stewart, Jana S. jsstewar@usgs.gov;  Schwarz, Gregory E. gschwarz@usgs.gov;  Brakebill, John W. jwbrakeb@usgs.gov;  Preston, Stephen D. spreston@usgs.gov
Adobe PDF(53511Kb)  |  收藏  |  浏览/下载：110/46  |  提交时间：2019/11/06
Estimates of long-term mean daily streamflow and annual nutrient and suspended-sediment loads considered for use in regional SPARROW models of the Conterminous United States, 2012 base year 科技报告
报告编号: 70204349, , 2019
作者:  Saad, David A.;  Schwarz, Gregory E.;  Argue, Denise M.;  Anning, David W.;  Ator, Scott A.;  Hoos, Anne B.;  Preston, Stephen D.;  Robertson, Dale M.;  Wise, Daniel
Adobe PDF(3402Kb)  |  收藏  |  浏览/下载：99/28  |  提交时间：2019/11/06